500408028 has 72 divisors (see below), whose sum is σ = 1316515200. Its totient is φ = 160132896.

The previous prime is 500408023. The next prime is 500408047. The reversal of 500408028 is 820804005.

It is a junction number, because it is equal to n+sod(n) for n = 500407992 and 500408010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500408023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88593 + ... + 94071.

Almost surely, 2^500408028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 500408028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (658257600).

500408028 is an abundant number, since it is smaller than the sum of its proper divisors (816107172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

500408028 is a wasteful number, since it uses less digits than its factorization.

500408028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5591 (or 5586 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 500408028 is about 22369.8016978247. The cubic root of 500408028 is about 793.9163686403.

The spelling of 500408028 in words is "five hundred million, four hundred eight thousand, twenty-eight".